Primarily used for industrial networks and regional distribution. Common values include 3.3 kV, 6.6 kV, 11 kV, and 33 kV.
Includes ratings for batteries and power supplies below 120 V AC or 750 V DC. Key Voltage Classifications iec 60038 standard voltages pdf 103
The standard voltages are defined for both AC (alternating current) and DC (direct current) systems. iec 60038 standard voltages pdf 103